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[Functional results of open wedge osteotomies in lower limb angular deformities in teenagers]
C Orellana-Reta1, L A Valdez-Jiménez1
1Shriners Hospital for Children-Mexico. Av. del Imán Núm. 257, Col. Pedregal de Santa Úrsula, CP 04600, Deleg. Coyoacán, Ciudad de México. México.
Objective:
The aim of this study was to evaluate the functional and radiographic results of adolescent patients with angular deformities of the pelvic limbs treated with an open wedge osteotomy system.
Material And Methods:
Observational, prospective, analytical and cross-sectional study of patients with angular deformity of the pelvic limbs treated with an open wedge osteotomy. We made a radiographic evaluation of the femorotibial angle, MAD angle, lower limb discrepancy, and pre- and postoperative degrees of the rotational center of deformity (CORA), as well as a telephone survey of the postoperative functional evaluation IKDC 2000.
Results:
It was a sample of 28 patients, 21 female and seven male, with a mean age of 15.3 years. Their diagnoses: idiopathic genu valgo, 10 cases; Blount disease, four; benign tumors (enchondromatosis and osteochondromatosis), three; hypophosphatemic rickets; three, among others, such as sequelae of septic arthritis of the knee, femoral hypoplasia, and fracture sequels. It was a total of 29 osteotomies, 17 of the tibia and 12 of the femur; 17 osteotomies presented deviation to lateral of the mechanical axis, and 11, medial deviation, with a mean femorotibial angle of 17 and 7.35 (p 0.03), respectively. The mean initial discrepancy had an improvement of 0.5 cm. Postoperative IKDC in the subjective evaluation had an average of 95.3 points.
Conclusions:
The fixation of osteotomies with open wedge plates is an option with good clinical and radiographic results.
